<template>
<!-- 相对路径 -->
     <div id="app">
        <div class="container-item1"></div>
    </div>
</template>
<script>
export default {
    data(){
      return{}
            },
            methods: {
            }
}
</script>
<style scoped>
.container-item1{
    position: fixed;
    left: 50%;
    bottom: 0;
    width: 100px;
    height: 100px;
    background: red;
}
</style>
